CN207880144U - Unloading valve - Google Patents
Unloading valve Download PDFInfo
- Publication number
- CN207880144U CN207880144U CN201721821433.9U CN201721821433U CN207880144U CN 207880144 U CN207880144 U CN 207880144U CN 201721821433 U CN201721821433 U CN 201721821433U CN 207880144 U CN207880144 U CN 207880144U
- Authority
- CN
- China
- Prior art keywords
- valve
- surge pipe
- flap
- pressure regulating
- unloading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model provides a kind of unloading valve, including valve body, valve rod and regulation component, it is characterised in that：Return water import and backwater outlet are formed in valve body, the runner for connecting back to water inlet and backwater outlet is equipped with valve port, and valve stem end is connected with flap, and flap is pressed on valve port by valve rod by pressure regulation Component driver；Regulation component includes pressure regulating cover, surge pipe, and the elastic component being clamped between valve rod and pressure regulating cover；Surge pipe is equipped with slideway with the affixed other end of valve body, and slideway is axially arranged along surge pipe, and it is circumferentially disposed along surge pipe that slideway is communicated at least two limiting slots, limiting slot；The sliding block for being inserted into two slideways respectively is connected on pressure regulating cover inner wall.Unloading valve described in the utility model, easy to operation and adjustment.
Description
Technical field
The utility model belongs to valve body field, more particularly, to a kind of unloading valve.
Background technology
Unloading valve is the common component of hydraulic pressure.Unloading valve is according to the operating pressure energy automatic open close of system, general installation
In protection system safety in the equipment of closed system or pipeline.
But existing hydraulic valve is often by the way of threaded adjusting, mainly in professional, and for not having
There are the masses of professional technique and knowledge, it is often cumbersome, it is difficult to adjust.
Utility model content
In view of this, the utility model is directed to a kind of unloading valve, in order to operate and adjust.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of unloading valve, including valve body, valve rod and regulation component are formed with return water import and backwater outlet in valve body, even
The runner for taking back water inlet and backwater outlet is equipped with valve port, and valve stem end is connected with flap, and valve rod will by pressure regulation Component driver
Flap is pressed on valve port；Regulation component includes pressure regulating cover, surge pipe, and the elastic component being clamped between valve rod and pressure regulating cover；It adjusts
Pressure pipe is equipped with slideway with the affixed other end of valve body, and slideway is axially arranged along surge pipe, and slideway is communicated at least two limiting slots,
Limiting slot is circumferentially disposed along surge pipe；The sliding block for being inserted into two slideways respectively is connected on pressure regulating cover inner wall.
Further, valve seat is installed, valve seat includes collar portion, and by collar portion upper end edge collar portion in the valve port
The upper edge portion to extend radially outwardly；Upper edge portion is connected on the wall surface of valve port, and collar portion is set in valve port.
Further, the flap includes the round platform portion at middle part, and the horizontal part positioned at edge；Round platform portion is inserted into lantern ring
In portion, and horizontal part is abutted with upper edge portion.
Further, the valve body is provided with annular groove in the inner cavity of connection surge pipe one end, is plugged in annular groove close
Sealing；Valve rod runs through sealing element, and affixed with flap, and surge pipe is threaded in one end in valve body and is connected to sealing element side
Edge.
Further, the slideway has two to be located at surge pipe both sides.
Further, the limiting slot end has extended to form card slot along far from valve body side in an axial direction.
Further, the surge pipe on both sides of the middle has extended outward to form twisting portion.
Further, the other end that the valve rod is connect with flap forms limited block, and limited block is set in surge pipe, and
It slides and connects with surge pipe.
Further, it is axially extended in the pressure regulating cover and is formed with upper positioning column, limited block is close to pressure regulating cover one end edge
Axis has extended to form lower positioning column, lower positioning column and upper positioning column coaxial arrangement；Elastic component is pressure spring, pressure spring one
End cap is located in upper positioning column and is abutted with pressure regulating cover bottom surface, and the pressure spring other end is set on lower positioning column, and with limit
Block abuts.
Further, the surge pipe can have scale by every limiting slot.
Compared with the existing technology, unloading valve described in the utility model has the advantage that：
(1) unloading valve described in the utility model is changed regulation component by being set in advance in the limiting slot of surge pipe
Become different preset pressures, the sliding block of pressure regulating cover need to only be gone to by slideway in different limiting slots, it is different to be arranged
Preset pressure.
(2) valve seat described in the utility model ensures the closure of valve port and flap, is led because of abrasion after long-time use
When causing leak, also allows for replacing valve seat, extend the service life of balanced valve.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the unloading valve sectional view described in the utility model embodiment；
Fig. 2 is the surge pipe schematic diagram described in the utility model embodiment.
Reference sign：
1, valve body；11, return water import；12, backwater outlet；13, valve port；14, annular groove；2, valve rod；21, limited block；22、
Lower positioning column；3, flap；31, round platform portion；32, horizontal part；4, regulation component；41, pressure regulating cover；411, sliding block；412, upper positioning
Column；42, surge pipe；421, twisting portion；422, slideway；423, limiting slot；424, card slot；43, pressure spring；5, valve seat；51, it covers
Ring portion；52, upper edge portion；6, sealing element.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of unloading valve, as shown in Figure 1, including valve body 1, valve rod 2 and regulation component 4.
It is formed with return water import 11 and backwater outlet 12 in valve body 1, connects back to the runner of water inlet 11 and backwater outlet 12
It is equipped with valve port 13,2 end of valve rod is connected with flap 3, and valve rod 2 is driven by regulation component 4 and flap 3 is pressed on valve port 13, from
And close runner.
Valve seat 5 is installed, valve seat 5 includes collar portion 51, and by 51 upper end edge collar portion of collar portion, 51 diameter in valve port 13
To outwardly extending upper edge portion 52；Upper edge portion 52 is connected on the wall surface of valve port 13, and lantern ring is set in valve port 13.And it withstands on
Flap 3 on valve seat 5 is equipped with the round platform portion 31 at middle part, and the horizontal part 32 positioned at edge.Round platform portion 31 is inserted into collar portion 51
It is interior, and horizontal part 32 is abutted with upper edge portion 52, to close valve port 13.
Regulation component 4 includes pressure regulating cover 41, surge pipe 42, and the pressure spring being clamped between valve rod 2 and pressure regulating cover 41
43.Valve body 1 is provided with annular groove 14 in the inner cavity of 42 one end of connection surge pipe, and sealing element 6 is plugged in annular groove 14.Valve rod 2
Through sealing element 6, and it is affixed with flap 3.And one end that surge pipe 42 is threaded in valve body 1 is connected to 6 edge of sealing element,
To fixing seals 6.
For the ease of loading and unloading surge pipe 42,42 on both sides of the middle of surge pipe has extended outward to form twisting portion 421.
In conjunction with shown in Fig. 2, surge pipe 42 is equipped with slideway 422 with the affixed other end of valve body 1.Slideway 422 has two, respectively
Positioned at 42 both sides of surge pipe and along the axial setting of surge pipe 42.And it is connected on 41 inner wall of pressure regulating cover and is inserted into two slideways respectively
422 sliding block 411, to which pressure regulating cover 41 is set in outside surge pipe 42 and axially slid along surge pipe 42.Each slideway 422 is
It is circumferentially disposed along surge pipe 42 to be communicated at least two limiting slots 423, limiting slot 423.423 end of limiting slot is in an axial direction along remote
Card slot 424 has been extended to form from 1 side of valve body.
It is axially extended in pressure regulating cover 41 and is formed with upper positioning column 412,43 one end of pressure spring is set in upper positioning column 412
Above and with 41 bottom surface of pressure regulating cover abut.And the other end that valve rod 2 is connect with flap 3 forms limited block 21, limited block 21 is set in
In surge pipe 42, and slides and connect with surge pipe 42.It is lower fixed that limited block 21 has been extended to form close to 41 one end of pressure regulating cover along axis
Position column 22, lower positioning column 22 and upper positioning column 412 are coaxially disposed, and 43 other end of pressure spring is set on lower positioning column 22, and
It is abutted with limited block 21.
In this way, pressure spring 43 presses, by valve rod 2, flap 3 is got lodged in into valve seat 5, when the pressure in return water import 11 is big
When the pressure of spring, unloading valve is opened, and carries out off-load.And regulation component 4 is by by slideway 422 and limiting the card of sliding block 411
Position slot 423 is moved to different card slots 424, changes the compression situation of pressure spring 43, to change the preset pressure of off-load.
In addition, for the ease of operation, surge pipe 42 can have scale on every 423 side of limiting slot, to express off-load at this time
Preset pressure set by valve.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of unloading valve, including valve body (1), valve rod (2) and regulation component (4), it is characterised in that：It is formed in valve body (1)
Return water import (11) and backwater outlet (12), the runner for connecting back to water inlet (11) and backwater outlet (12) are equipped with valve port
(13), valve rod (2) end is connected with flap (3), and valve rod (2) is driven by regulation component (4) flap (3) being pressed in valve port (13)
On；Regulation component (4) includes pressure regulating cover (41), surge pipe (42), and the elasticity being clamped between valve rod (2) and pressure regulating cover (41)
Part；Surge pipe (42) is equipped with slideway (422) with the affixed other end of valve body (1), and slideway (422) is axially set along surge pipe (42)
It sets, it is circumferentially disposed along surge pipe (42) that slideway (422) is communicated at least two limiting slots (423), limiting slot (423)；Pressure regulation
It is connected with the sliding block (411) for being inserted into two slideways (422) respectively on lid (41) inner wall.
2. unloading valve according to claim 1, it is characterised in that：Valve seat (5), valve seat (5) packet are installed in valve port (13)
Collar portion (51) is included, and the upper edge portion (52) to be extended radially outwardly by collar portion (51) upper end edge collar portion (51)；Upper edge portion
(52) it is connected on the wall surface of valve port (13), and collar portion (51) is set in valve port (13).
3. unloading valve according to claim 2, it is characterised in that：Flap (3) includes the round platform portion (31) at middle part, Yi Jiwei
Horizontal part (32) in edge；Round platform portion (31) is inserted into collar portion (51), and horizontal part (32) is abutted with upper edge portion (52).
4. unloading valve according to claim 1, it is characterised in that：Inner cavity of the valve body (1) in connection surge pipe (42) one end
In be provided with annular groove (14), is plugged with sealing element (6) in annular groove (14)；Valve rod (2) run through sealing element (6), and with flap (3)
Affixed, one end that surge pipe (42) is threaded in valve body (1) is connected to sealing element (6) edge.
5. unloading valve according to claim 1, it is characterised in that：Slideway (422) has two, is located at surge pipe (42)
Both sides.
6. unloading valve according to claim 1, it is characterised in that：Limiting slot (423) end is in an axial direction along far from valve body (1)
Side has extended to form card slot (424).
7. unloading valve according to claim 1, it is characterised in that：Surge pipe (42) on both sides of the middle, which has extended outward to form, pulls
It twists portion (421).
8. unloading valve according to claim 1, it is characterised in that：The other end that valve rod (2) is connect with flap (3) forms limit
Position block (21), limited block (21) are set in surge pipe (42), and are slid and connected with surge pipe (42).
9. unloading valve according to claim 8, it is characterised in that：It is axially extended in pressure regulating cover (41) and is formed with positioning
Column (412), limited block (21) have extended to form lower positioning column (22), lower positioning column (22) close to pressure regulating cover (41) one end along axis
It is coaxially disposed with upper positioning column (412)；Elastic component is pressure spring (43), and pressure spring (43) one end is set in upper positioning column
(412) abutted on and with pressure regulating cover (41) bottom surface, pressure spring (43) other end is set on lower positioning column (22), and with limit
Block (21) abuts.
10. unloading valve according to claim 6, it is characterised in that：Surge pipe (42) is other in every limiting slot (423)
There is scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821433.9U CN207880144U (en) | 2017-12-23 | 2017-12-23 | Unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821433.9U CN207880144U (en) | 2017-12-23 | 2017-12-23 | Unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880144U true CN207880144U (en) | 2018-09-18 |
Family
ID=63503218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821433.9U Expired - Fee Related CN207880144U (en) | 2017-12-23 | 2017-12-23 | Unloading valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880144U (en) |
-
2017
- 2017-12-23 CN CN201721821433.9U patent/CN207880144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 |